fossil fuel

noun

: a fuel (such as coal, oil, or natural gas) formed in the earth from plant or animal remains
fossil-fueled adjective

Examples of fossil fuel in a Sentence

oil and other fossil fuels
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the last 10 years, in most places in the world, this changed from fossil fuels being cheaper. Erik Sherman, Forbes.com, 24 Jan. 2026 The lawsuit contends that if not for the conspiracy, Michigan would be further along in transitioning away from fossil fuels and toward a greener economy, residents would be driving more EV vehicles and the United States wouldn't be playing catch-up to China in new energy technologies. Jc Reindl, Freep.com, 23 Jan. 2026 Together, wind and solar hit 30% of EU electricity generation, edging out fossil fuels at 29%. Tim McDonnell, semafor.com, 22 Jan. 2026 The fossil fuel industry has long complained that it's been targeted by Democrats. Michael Copley, NPR, 21 Jan. 2026 See All Example Sentences for fossil fuel

Word History

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of fossil fuel was in 1759

Browse Nearby Words

Cite this Entry

“Fossil fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20fuel. Accessed 27 Jan. 2026.

Kids Definition

fossil fuel

noun
: a fuel (as coal, oil, or natural gas) that is formed in the earth from plant or animal remains

More from Merriam-Webster on fossil fuel

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